chromium on mac

chromium.nix

{ pkgs }:

if pkgs.stdenv.isLinux then
  pkgs.chromium
else
  let
    wrapped = pkgs.writeShellScriptBin "chromium" ''
      ${chromium-mac}/Chromium.app/Contents/MacOS/Chromium $@
    '';

    chromium-mac = final.stdenv.mkDerivation rec {
      name = "chromium-mac";
      pname = "Chromium";

      build = "844399";

      # To update run:
      # nix-prefetch-url --name 'chromium-mac.zip' https://playwright.azureedge.net/builds/chromium/${build}/chromium-mac.zip
      src = let
        builds = {
          "844399" = {
            sha256 =
              "sha256-KiPsa4qUDAfjzWmm2CGX/HwwYGLDZP8xHX8JeBuNwHk=";
          };
        };

      in final.fetchzip {
        url =
          "https://playwright.azureedge.net/builds/chromium/${build}/${name}.zip";
        sha256 = builds.${build}.sha256;
        name = "${name}";
      };

      # The dmg contains the app and a symlink, the default unpackPhase tries to cd
      # into the only directory produced so it fails.
      sourceRoot = ".";

      installPhase = ''
        mkdir $out
        mv chromium-mac/Chromium.app $out
      '';

      meta = with final.lib; { platforms = [ "x86_64-darwin" ]; };
    };

  in final.symlinkJoin {
    name = "chromium-mac";
    paths = [ wrapped chromium-mac ];
  }